Machine for carroting skins.



L. BEAULIEU. MACHINE FOR GABBOTING SKINS.

APPLIOATIOH FILED NOV. 22, 1909.

L Patented Mar. 7, 1911.

v Z/VVEA/TOK UNITED STATES PATENT OFFICE.

LEON BEAULIEU, or Limos-Es, rnancn.

uacnmn For. canno'rme skins.

Specification of Letters Patent' Patented'Mar, '7, 1911. Application filed November '22, 1909. Serial 1%.5291367. V

To all whom it ma/yconccm:

Be it known. that I, Lrion BEAULIEU, of"

mercury; the machine being equally adapted for use in dyeing all kinds of furs.

This machine, which permits a perfect and complete damping of the hair without wetting the leather and without diminishing the value of the leather of the skin, com prises a rotary brush for distributing over its surface the. exact necessary quantity of nitrate and adapted to impregnate therewith thehair of the skin which passes beneath the brush, theskin being suitably fed forward by driving I rollers.

One of the main features of the inven tion consists in providing the driving rollers.

with deep grooves. Grooved rollers have already been. em-

7 ployed for the purpose of feeding forward the skins, but the'grooves were only superficial and their sole purpose was to propel the skins. According to the present inven-' tion, however, the teeth of one roller engage deeply between the teeth of the coacting roller, and moreover the teeth of the upper roller, which contacts with the hairy side I of the skin, have roughened or serrated sur- 'faces,'so that that passage of the skin be- 40 tween the rollers tends to erect the hair and pre are the skin for the brushing operation. he machine comprises two pairs of feed rollers and two brushes arrangedbehind these rol1ers. The first brush receives the 'liquid and makes it enter in the skin the hair of which have been erected by the first pair of rollers? The second pair, of rollers aga'in create the hair and then the sec-pnd brush com letes the action of the first brush andsmoot es the hair.

The table of the machine, over which the .taken on-line A-"-A of'Fig. 1.

rovidedwith means Y -anenlarged sectional view of a portion of skin slides, is provided with a special arrangement so as to give to the skin a certain curve during the a'ssage of the same between the rollers mi under the brushes, in order to obtain the most efficient action-ofthe rollers and brushes. Moreover, the J --lower -part of the table, .is' provided with longitudinal grooves or ridges having acute edges so that, should there be'any excess of liquid, the latter will lodge at the bottom of the grooves and the reverse side' of the skin will not-'b'ecome'wetted.

In the accompanying drawings which illustrate an 'example' of the invention, Figure 1 shows a side elevation ofthe machine, parts being shown in longitudinal section for the sake of clearness. Fig. 2 's a transverse sectional view of the table a Fig. 3. is

the intermeshing feed rollers.

As will be seen on reference to the drawings,'th e. machine comprises. a table a provided with elements a a a of thm shape illustrated, The art a is made of glass and presents longitudinal grooves, ridges, or ribs as shown in Fig. 2. Preferably the ridges separating the grooves are very narrow so ast'o present a minimum area of surface for contact'with the skin. The table is slightly inclined from left-to right 1).

e machine is provided with two 'pairs of feed rollers 6 and c which are grooved r an fwhich-mesh together as has been pre- 85,

said, the grooves of these. rollers are 'deep,-."the teeth formed on the top roller being provided, as shown in Fig.3 (whichshows in section the teeth meshing together) with or serrationsd. Between the rollers b and 0 is mounted as rotary brush 6 above which i 'pl a tributiiig nozzle f connected by conduits g with a nitrate reservoir not shown; Behind the rollers a is mounted another brush 1:. f

The rollers..b, c, and the brushes e is are actuated by belts driven by pulleys fast on the driving shaft 1. Flaps m aflord access to the interior of the machine.

A grooved table .11 serves to collect the excess of liquid, if any. The operation is as follows: The skin is presented to the two feed rollers b which, at the same time as they draw in the skin and feed it toward the brush 0, raise the hair and prepare the skin for the action of the brush. It will be understood that, the skin being drawn in the direction of the arrows 1, the hair will be forced. against the ridges d and so raised. The brush 6 is constantly damped by the exact required quantity of liquid. This liquid, consisting of a solutionof nitrate of mercury, is distributed all over the brush by the nozzle f. Tap or other regulation devices enable the exact regulation of the quantity of liquid delivered to the brush. The brush 6 brushes the skin in the direction of the fur "and impregnates the hair with nitrate. The brush impregnates the hair with the required quantity of'liquid and no more. The skin then passes between the two rollers c which raise the hair and continue the operation begun, by the first rollers and by the brush e, permitting of the skin being fed forward without the leather becoming wetted, which would take place if the rollers were smooth or only provided with superficial grooves. The skin is then subjected to the action of the brush is which smoothes thehair and causes the liquid to penetrate to the roots; this brush at the end of a certain timebf operation is slightly. impregnated with nitrate. If certain portions ,of the hair which pass under this brush have received an insufficient quantity of nitrate from the brush 6, the brush is gives up a small quantity of nitrate and completes the wetting. If on the contrary, the hair has received at certain portions an excess of nitrate, the brush It removes such excess, from which it will be seen that the brush 7c regulates the impregnating of the hair with nitrate.

The brush is acts as a regulator for insuring the uniformity of the work done.

ridged as described,

As the parts a and a are respectively slightly below the lines of contact of the rollers b and 0- and that the element a, has a curved shape as illustrated, it results therefrom that the skin r follows the path The skin 'is'not flatwise but curved, its concavity being toward the bottom when it passes between the rollers and toward the top when the said skin comes under the brushes.

Owing to the construction'and arrangement ofthe various parts of the'machine and to the mode of operation, the hair is thoroughly damped right down. to the roots, whereas the leather of the skin is not wet. On the other hand, the employment of the table, prevents the inside of the skin becoming wetted in the event of the liquid flowing too quickly or unevenly. The

employment of a ribbed surface for the table has, moreover, the advantage of facilitating the sliding of the skin over the table.

The new machine, in addition to turning out perfect work which is more regular than that performed by hand, can be driven at a considerable speed. i

The machine has also the advantage of requirin a smaller quantity of liquid than is usually necessary for carrying out the Work.

The different roller and brush arbors are mounted in adjustable spring bearings.

The arrangements described are only given by way of example, as the shapes, di-' mensions and arrangements of details.may be varied in all cases without departing from the principle of the invention.

Claims:

1. In a machine for carroting and dyeing skins, co-a cting, feed rollers provided with teeth, said teeth being spaced from one another by deep grooves, the teeth of each roller engaging the grooves of the other roller for erecting the hair.

2. In a machine for carroting and dyeing skins, eo-acting feed rollers provided with teeth, said teeth being spaced from one an other by grooves, the teeth of each roller engaging the grooves of the other roller, the teeth of one roller being provided with serrations for assisting in erecting the hair.

3. In a machine for carroting and dyeing skins two pairs of coacting feed rollers provided with teeth spaced from one another by deep grooves, the teeth ofeach roller engaging the grooves of the other roller, and two rotary brushes, one of said brushes being arranged behind one of said pairs of rollers and the other of said brushes being arranged behind the other of said pairs of rollers.

4:. In a machine for carroting and dyeing skins two pairs of co-acting feed rollers provided with teeth spaced from one another by deep grooves the teeth of each roller engaging with the grooves of the other roller, two rotary brushes,

the other of said brushes being rollers, and means for feeding a fluid to one of said brushes.

5. In a machine for carroting and dyeing skins, two pairs of co-acting feed rollers provided with teeth, said teeth being spaced from one another by deep grooves, the teethone of said brushes being arranged behind one of said pairs of rollers and arrangedbehi nd the other of said pairs of curved.

The foregoing specification ,of my ma-' I n /n i chlne for carrotmg skms, s1

twelfth dayof November-1909. LEON BEAULIEU.

Witnesses:

DEAN B. MAso'N, R. EHIRIOF.

by me this 

